r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$inet_group_source_req(r0, 0x0, 0x13, &(0x7f0000000100)={0x0, {{0x3, 0x0, @multicast2}}, {{0x2, 0x0, @private}}}, 0x108)